980450100 has 108 divisors (see below), whose sum is σ = 3512212704. Its totient is φ = 224101440.

The previous prime is 980450089. The next prime is 980450111. The reversal of 980450100 is 1054089.

It is an interprime number because it is at equal distance from previous prime (980450089) and next prime (980450111).

It is a super-2 number, since 2×980450100² = 1922564797180020000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 71514 + ... + 84113.

It is an arithmetic number, because the mean of its divisors is an integer number (32520488).

Almost surely, 2^980450100 is an apocalyptic number.

980450100 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

980450100 is an abundant number, since it is smaller than the sum of its proper divisors (2531762604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

980450100 is a wasteful number, since it uses less digits than its factorization.

980450100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155654 (or 155644 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 980450100 is about 31312.1398182877. The cubic root of 980450100 is about 993.4404328267.

The spelling of 980450100 in words is "nine hundred eighty million, four hundred fifty thousand, one hundred".